Summit has a nice ring and bearing rebuild kit. We've done this on a couple of engines over the years and they ran great. As long as it isn't wore out and is a good core.

'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.